md/raid5: clearly differentiate 'before' and 'after' stripes during reshape.

Browse source

During a raid5 reshape, we have some stripes in the cache that are
'before' the reshape (and are still to be processed) and some that are
'after'.  They are currently differentiated by having different
->disks values as the only reshape current supported involves changing
the number of disks.

However we will soon support reshapes that do not change the number
of disks (chunk parity or chunk size).  So make the difference more
explicit with a 'generation' number.

Signed-off-by: NeilBrown <neilb@suse.de>

...

This commit is contained in:

NeilBrown 2009-03-31 15:19:03 +11:00

parent 1137354234

commit 86b42c713b

2 changed files with 10 additions and 5 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

12

drivers/md/raid5.c

View file

3

drivers/md/raid5.h

View file